Hierarchial Organization Of Life

Question 1

Matter

Answer 1

Anything that takes up space and has mass

Question 2

Atom

Answer 2

Building block of matter, has protons neutrons, electrons

Question 3

Molecule

Answer 3

Two or more atoms chemically bonded together

Question 4

Organelle

Answer 4

Molecules form tiny “organ” inside of cell

Question 5

Cell

Answer 5

Simplest independent living things, fundamental units of life

Question 6

Tissue

Answer 6

Layer of cells with similar shape and function

Question 7

Organ

Answer 7

Structure with a specific function in an organism

Question 8

Organ system

Answer 8

Organs grouped together and attached by chemicals messengers, neural networks, or blood vessels

Question 9

Organism

Answer 9

A living thing

Question 10

Ecological population

Answer 10

Group of interbreeding organisms

Question 11

Ecological community

Answer 11

Interacting populations linked by food webs

Question 12

Ecosystem

Answer 12

Interacting ecological communities linked by biogeochemical cycle

Question 13

Biosphere

Answer 13

Around the surface of the planet

Question 14

Homeostasis

Answer 14

Living things maintain constant internal environment in spite of outside changes

Question 15

Biogeochemical cycle

Answer 15

Pattern of matter recycling in biosphere